Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/12/2025, 02:10

General

  • Target
    FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe
  • Size 614KB
  • Sample251209-clys5abx2e
  • SHA256 bae2b47193c08a9f98f390845d8a2d25040bc2b2cee6c36f10cfff5d245b24ea
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe
    "C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe
      "C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe"
      2⤵
        PID:2956
      • C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe
        "C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5892
        • C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe
          "C:\Users\Admin\AppData\Local\Temp\FYSWIFT09-MR7Y280-UR8993-93-KSLI0002-RD0003-D.exe"
          3⤵
            PID:3112

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsz9D1C.tmp\System.dll
            • Size 12KB
            • SHA256 6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
            • MD5 SHA1 SHA512 SSDEEP

            memory/5012-23-0x0000000074165000-0x0000000074166000-memory.dmp

            memory/5892-24-0x0000000077458000-0x0000000077459000-memory.dmp

            memory/5892-26-0x000000007746B000-0x000000007746C000-memory.dmp

            memory/5892-25-0x00000000774EB000-0x00000000774EC000-memory.dmp

            memory/5892-28-0x00000000774EB000-0x00000000774EC000-memory.dmp

            memory/5892-27-0x0000000000810000-0x0000000001B27000-memory.dmp